Merge "Track graphic buffer mode in OMXNodeInstance" into mnc-dev am: 659a498ca0 am: e77ea73939 am: 410f48c5e3 am: 57c83e2226  -s ours am: 177ee220b9  -s ours am: c66d4db705  -s ours
am: 6b936f54ff  -s ours

Change-Id: I28559dc35dc859153adc69563b529c74f324a5e7